audacity_pause_replacement

# Source: https://clck.ru/3GeqYu
# Path to your files
labels_file = "/path/to/audacity_labels.txt"  # Path to the labels file
room_tone_file = "/path/to/room-tone/audio.wav"  # Path to the room tone audio file
output_macro = "/path/to/macro.txt"  # The macro file we'll create

# Read labels
labels = []
with open(labels_file, "r") as f:
    for line in f:
        parts = line.strip().split('\t')
        if len(parts) >= 3:
            start, end = float(parts[0]), float(parts[1])
            labels.append((start, end))

# Sort labels by start time in reverse order (to avoid timestamp shifting)
labels.sort(reverse=True)

# Create the macro file
with open(output_macro, "w") as macro:
    # Import the room tone to a new track (this will become track 1)
    macro.write(f'Import2: Filename="{room_tone_file}"\n')

    # Select the room tone track (track 1)
    macro.write('SelectTracks: Track=1\n')

    # Select the entire duration of the room tone track
    macro.write('SelTrackStartToEnd:\n')  # Select from start to end of the track
    macro.write('Copy:\n')  # Copy the selected audio (room tone) to the clipboard

    # Delete the room tone track since we just needed to copy it
    macro.write('RemoveTracks:\n')

    # Process each pause from end to beginning (to avoid shifting timestamps)
    for start, end in labels:
        # Adjust the start and end times to avoid overlap
        adjusted_start = start + 0.045  # Add 35 milliseconds to the start time
        adjusted_end = end - 0.045  # Subtract 35 milliseconds from the end time

        # Select the adjusted pause in the main track (which is now track 0 after removing the room tone track)
        macro.write('SelectTracks: Track=0\n')
        macro.write(f'Select: Start={adjusted_start} End={adjusted_end}\n')

        # Delete the adjusted pause
        macro.write('Delete:\n')

        # Paste the room tone into the main track
        macro.write('Paste:\n')

print(f"Macro file created: {output_macro}")
print("To use this macro in Audacity:")
print("1. Go to Tools > Macros")
print("2. Click 'Import'")
print("3. Select the generated macro file")
print("4. Run the macro")